Wind turbines intelligent monitoring operation control system and its control method
Technical field
The present invention relates to wind power generation fields, and in particular to a kind of Wind turbines intelligent monitoring operation control system and its control
Method processed.
Background technology
Wind energy is a kind of inexhaustible, nexhaustible green energy resource, and it is main that wind-power electricity generation has become the world today
One of renewable energy technologies.However, wind-power electricity generation can't replace the main restraining factors of coal electricity to be it completely at present
The unstability of power generation can generate security risk after its total amount is excessive to power grid.Running environment, wind-resources are to Wind turbines
Operating mode influence is very big, even if being installed on the different Wind turbines of same wind power plant, running environment difference, wind-resources difference are also
It is more or less existing.Even if in addition Wind turbines capacity is identical, unit individual performance is also what is had differences.Running environment is poor
Also there are coupled relation between different, wind-resources difference, unit individual performance difference, for example, wind speed size (running environment) determines
Wind energy conversion system output power, and wind speed size also with tower height, hub radius, wind wheel radius, blade chord length, pendency distance,
(wind provides for the wind energy conversion systems such as blade-lift coefficient, resistance coefficient parameter (unit individual performance) and wind turbulent flow, wind shear, tower shadow effect
Source) it is related.The presence of these differences and coupled relation cause Wind turbines to be difficult to control, this is instable of wind-power electricity generation
Where source.Therefore, research is a kind of has self-learning capability, can adapt to running environment difference, wind-resources difference and unit automatically
The Wind turbines intelligent monitoring operation control system and method for body performance difference are very necessary.
Fig. 1 shows the structure of Wind turbines tradition monitoring operation control system, it includes:Wind energy conversion system A~N 1, master control
Device 2 processed, power grid 3, optical fiber ring network 4, optical fiber ring network interchanger 5, interchanger 6, database server 7, operator station 8,
Internet9, remote monitoring center 10.Wind energy conversion system A~N 1 of the present invention is conventional double feedback electric engine wind energy conversion system in Fig. 1, it can be with
For any type of wind energy conversion system.Wind turbines tradition monitoring operation control system feature is for running environment difference, wind-resources
Difference and unit individual performance difference, do not have self study, adaptive ability.
1) tradition monitoring operation control system does not consider running environment difference, wind-resources difference and unit individual performance difference
To the Real Time Effect of Wind turbines, wind turbine master control only exports control command to control according to real-time wind speed using traditional control algorithm
Wind energy conversion system action processed, control accuracy and stability is not high;
Intelligent monitoring operation controller has self study, self-adapting operation environment using intelligent control algorithm in the present invention
The function of difference, wind-resources difference and unit individual performance difference, control system have very strong robustness and fault-tolerant ability, greatly
Big reduce generates security risk to power grid.
2) intelligent monitoring operation control system has deeply refined running environment difference, wind-resources difference and unit individual performance
The parameter index of difference, wind field, different types of wind energy conversion system applied to different geographical have very high versatility, tradition monitoring
Operation control system versatility is not high.
3) tradition monitoring operation control system does not consider running environment difference, wind-resources difference and unit individual performance difference
Real Time Effect, the data that corresponding operator station and remote monitoring center can monitor are limited.
Invention content
To solve the above problems, the present invention provides a kind of Wind turbines intelligent monitoring operation control system and its controlling parties
Method can effectively carry out Wind turbines intelligent monitoring operation control by this method, substantially increase the steady of Wind turbines
Qualitative, reliability and safety.
To achieve the above object, the technical solution taken of the present invention is:
Wind turbines intelligent monitoring operation control system is handed over including wind energy conversion system A~N, power grid, optical fiber ring network, optical fiber ring network
It changes planes, interchanger, database server, operator station, Internet, remote monitoring center, operator station and database service
Device is connected, and database server is connected with interchanger, and interchanger is respectively connected with optical fiber ring network interchanger, operator station, operation
Member station is connected by Internet with remote monitoring center, which is characterized in that further includes intelligent monitoring operation controller, operation ring
Border difference module, wind-resources difference module and unit performance difference module.
The intelligent monitoring operation controller includes:
Running environment Parameter analysis module, using intelligent control algorithm to the Data Analysis Services of input, output quantity difference
Intelligent controller is input to after being multiplied by a weighted factor;
Wind-resources Parameter analysis module, using intelligent control algorithm to the Data Analysis Services of input, output quantity multiplies respectively
To be input to intelligent controller after a weighted factor;
Unit performance Parameter analysis module, using intelligent control algorithm to the Data Analysis Services of input, output quantity difference
Intelligent controller is input to after being multiplied by a weighted factor;
Intelligent controller, using intelligent control algorithm, integrated operation environmental difference, wind-resources difference and unit individual performance
Influence of the difference to Wind turbines, exports the action of given control signal control wind energy conversion system A~N, and simultaneously with optical fiber ring network phase
Even realize data communication.
The running environment difference module includes:
First operator PLC, for the monitoring of being responsible for running environment parameter and according to program send out corresponding control signal to
I/O ports, while it is responsible for the real-time acquisition of various data and parameter;
Running environment parameter application program module is interconnected using IEC 61400-25 standards and operator PLC, by user
After authority recognition, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module, for storage management running environment supplemental characteristic, generating run report and
Historical data report;
Sensor group, including air velocity transducer, wind transducer, height above sea level sensor, noise transducer, humidity sensor,
Wave instrument, current meter, tide register, be respectively used to monitor in real time wind speed size, direction, height above sea level, wind wheel and generator noise,
Atmospheric humidity, wave heights and wave spectrum, current speed and direction, tiding height value;Its Wave instrument, current meter, tidal observation
Instrument be wind energy conversion system A~N be marine windmill when just work, be land wind energy conversion system when these three sensors without work;
Running environment information group module, including wind speed information module, wind direction information module, altitude information module, noise letter
Module, humidity information module, Wave Information module, Ocean current information module, Tidal Information module are ceased, analyzing and processing is respectively used to and passes
The data that the transmission of sensor group comes;Similary Wave Information module, Ocean current information module, Tidal Information module are that wind energy conversion system A~N is
It just works during marine windmill.
The wind-resources difference module includes:
Second operator PLC sends out corresponding control signal to I/O for the monitoring for being responsible for wind-resources parameter and according to program
Port, while it is responsible for the real-time acquisition of various data and parameter;
Wind-resources parameter application program module is interconnected using IEC 61400-25 standards and operator PLC, is weighed by user
After limit identification, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module, for storage management wind-resources supplemental characteristic, generating run report, Yi Jili
History data sheet;
Wind-resources information group module, including annual mean wind speed information module, season mean wind speed information module, monthly average wind speed
Information module, per day wind speed information module, when mean wind speed information module, wind turbulent flow information module, wind shear information module,
Tower shadow effect information module, be respectively used to analyzing and processing year of wind speed, season, the moon, day, when mean wind speed and wind turbulent flow, pneumatic shear
It cuts, the data of tower shadow effect.
The unit performance difference module includes:
Third operator PLC, for the monitoring of being responsible for unit performance parameter and according to program send out corresponding control signal to
I/O ports, while it is responsible for the real-time acquisition of various data and parameter;
Unit performance parameter application program module is interconnected using IEC 61400-25 standards and operator PLC, by user
After authority recognition, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module, for storage management unit performance supplemental characteristic, generating run report and
Historical data report;
Unit performance information group module, including wind turbine basic information module, blower fan tower barrel information module, fan engine room information
Module, fan blade information module, wind turbine transmission chain information module, blower variable-pitch mechanism information module, wind turbine power generation machine information
Module, fan converter information module, be respectively used to analyzing and processing wind turbine master data and tower, cabin, blade, transmission chain,
Blade pitch device, generator, current transformer data.
The control method of above-mentioned Wind turbines intelligent monitoring operation control system, includes the following steps:
S1, start Wind turbines, is grid-connected, while starting running environment difference module, wind-resources difference module, unit performance
Difference module;
The real-time monitoring parameters variation feelings of S2, running environment difference module, wind-resources difference module, unit performance difference module
Condition, and output data to intelligent monitoring run controller in running environment Parameter analysis module, wind-resources Parameter analysis module,
Unit performance Parameter analysis module;
S3, running environment Parameter analysis module, wind-resources Parameter analysis module, unit performance Parameter analysis module use intelligence
Can control algolithm to the Data Analysis Services of input, corresponding each output quantity is input to intelligence after being multiplied by a weighted factor
Controller;
Using after intelligent control algorithm analytic operation, output torque gives control signal and becomes vane angle for S4, intelligent controller
Speed-changing oar-changing controller in the given control signal to wind energy conversion system of degree;
The wind turbine real-time running data that S5, intelligent monitoring operation controller export is handed over successively through optical fiber ring network, optical fiber ring network
It changes planes, after interchanger transmission exchange, is input to database server, operator station, and pass through Internet and be input to long-range prison
Control center
The invention has the advantages that:
The present invention has self study, self-adapting operation environmental difference, wind-resources difference and unit using intelligent control algorithm
The function of individual performance difference, control system have very strong robustness and fault-tolerant ability, reduce significantly and generate peace to power grid
Full hidden danger;The variation of monitoring running environment difference, wind-resources difference and unit individual performance difference in real time, operator can be more smart
Really judge the working condition of Wind turbines, substantially increase the safety of Wind turbines and power grid;It is poor to increase running environment
Three modules of different, wind-resources difference and unit individual performance difference, wherein running environment difference module increase eight sensors,
Higher is wanted in the power stability output and safe and stable operation performance, cost performance for substantially increasing Wind turbines actually, for improving
The performance of Wind turbines whole system has positive effect, and versatility is high.
Description of the drawings
Fig. 1 is the structure diagram that Wind turbines tradition monitors operation control system;
Fig. 2 is the structure diagram of Wind turbines intelligent monitoring operation control system of the embodiment of the present invention;
Fig. 3 is that intelligent monitoring runs controller figure in Wind turbines intelligent monitoring operation control system of the embodiment of the present invention;
Fig. 4 is running environment difference module figure in Wind turbines intelligent monitoring operation control system of the embodiment of the present invention;
Fig. 5 is Wind turbines intelligent monitoring operation control system apoplexy resource differential module map of the embodiment of the present invention;
Fig. 6 is unit performance difference module figure in Wind turbines intelligent monitoring operation control system of the embodiment of the present invention.
Specific embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Each PLC in three difference modules of the invention and the sensor in running environment difference module are using commercially available
Matured product no longer separately illustrates its specific structure, operation principle and installation.
As shown in figures 2-6, an embodiment of the present invention provides Wind turbines intelligent monitoring operation control system, including wind energy conversion system
A~N1, power grid 3, optical fiber ring network 4, optical fiber ring network interchanger 5, interchanger 6, database server 7, operator station 8,
Internet9, remote monitoring center 10 further include intelligent monitoring operation controller 11, running environment difference module 12, wind-resources
Difference module 13, unit performance difference module 14, wind turbine real-time running data are transmitted to optical fiber ring network interchanger through optical fiber ring network 4
5, then database server 7, operator station 8 are connected, and pass through Internet9 and be connected to remote monitoring center 10 through interchanger 6,
Intelligent monitoring operation controller 11 includes:
Running environment Parameter analysis module 110, using intelligent control algorithm to the Data Analysis Services of input, output quantity point
Intelligent controller 113 is input to after not being multiplied by a weighted factor;
Wind-resources Parameter analysis module 111, using intelligent control algorithm to the Data Analysis Services of input, output quantity difference
Intelligent controller 113 is input to after being multiplied by a weighted factor;
Unit performance Parameter analysis module 112, using intelligent control algorithm to the Data Analysis Services of input, output quantity point
Intelligent controller 113 is input to after not being multiplied by a weighted factor;
Intelligent controller 113, using intelligent control algorithm, integrated operation environmental difference, wind-resources difference and unit individual
Influence of the performance difference to Wind turbines, exports the action of given control signal control wind energy conversion system A~N1, and simultaneously and fiber optic loop
Net 4, which is connected, realizes data communication.
Running environment difference module 12 includes:
First operator PLC120 sends out corresponding control signal for the monitoring for being responsible for running environment parameter and according to program
I/O ports are given, while are responsible for the real-time acquisition of various data and parameter;
Running environment parameter application program module 121 is interconnected using IEC 61400-25 standards and operator PLC120, warp
It crosses after user right identification, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module 122, and for storage management running environment supplemental characteristic, generating run is reported,
And historical data report;
Sensor group 123, including air velocity transducer 1230, wind transducer 1231, height above sea level sensor 1232, noise sensing
Device 1233, humidity sensor 1234, wave instrument 1235, current meter 1236, tide register 1237 are respectively used to monitor wind speed in real time big
Small, direction, height above sea level, wind wheel and generator noise, atmospheric humidity, wave heights and wave spectrum, current speed and direction, tide
Fluctuation height value, Wave instrument, current meter, tide register be wind energy conversion system A~N1 be marine windmill when just work, be it is land
These three sensors are without work during wind energy conversion system;
Running environment information group module 124, including wind speed information module 1240, wind direction information module 1241, altitude information
Module 1242, noise information module 1243, humidity information module 1244, Wave Information module 1245, Ocean current information module 1246,
Tidal Information module 1247 is respectively used to analyzing and processing sensor group 123 and transmits the data of coming, similary Wave Information module, sea
Stream information module, Tidal Information module be wind energy conversion system A~N1 be marine windmill when just work.
Wind-resources difference module 13 includes:
Second operator PLC130, for the monitoring of being responsible for wind-resources parameter and according to program send out corresponding control signal to
I/O ports, while it is responsible for the real-time acquisition of various data and parameter;
Wind-resources parameter application program module 131 is interconnected using IEC 61400-25 standards and operator PLC130, is passed through
After user right identification, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module 132, has the function of the storage management to wind-resources supplemental characteristic, generating run
Report and historical data report;
Wind-resources information group module 133, including annual mean wind speed information module 1330, season mean wind speed information module
1331st, monthly average wind speed information module 1332, per day wind speed information module 1333, when mean wind speed information module 1334, wind
Turbulent flow information module 1335, wind shear information module 1336, tower shadow effect information module 1337 are respectively used to analyzing and processing wind speed
Year, season, the moon, day, when mean wind speed and wind turbulent flow, wind shear, tower shadow effect data.
Unit performance difference module 14 includes:
Third operator PLC140 is responsible for the monitoring of unit performance parameter and sends out corresponding control signal to I/O according to program
Port, while it is responsible for the real-time acquisition of various data and parameter;
Unit performance parameter application program module 141 is interconnected using IEC 61400-25 standards and operator PLC140, warp
It crosses after user right identification, system distributes corresponding usable module according to process for corresponding user;
Data information backs up and recovery module 142, and for storage management unit performance supplemental characteristic, generating run is reported,
And historical data report;
Unit performance information group module 143, including wind turbine basic information module 1430, blower fan tower barrel information module 1431,
Fan engine room information module 1432, fan blade information module 1433, wind turbine transmission chain information module 1434, blower variable-pitch mechanism
Information module 1435, wind turbine power generation machine information module 1436, fan converter information module 1437 are respectively used to analyzing and processing wind
Machine master data and tower, cabin, blade, transmission chain, blade pitch device, generator, current transformer data.
Embodiment comprises the concrete steps that:
Step 1: Wind turbines start, are grid-connected, while running environment difference module 12, wind-resources difference module 13, unit
Performance difference module 14 is started to work.
Step 2: running environment difference module 12, wind-resources difference module 13, unit performance difference module 14 monitor in real time
Parameters variation situation, specific processing step are:
2a) running environment difference module:Air velocity transducer 1230, wind transducer 1231, height above sea level pass in sensor group 123
Sensor 1232, noise transducer 1233, humidity sensor 1234, wave instrument 1235, current meter 1236, tide register 1237, respectively
Monitoring wind speed size, direction, height above sea level, wind wheel and generator noise, atmospheric humidity, wave heights and wave spectrum, ocean current in real time
Speed and direction, tiding height value, and the collected signal of institute is transmitted to running environment information group module 124, pass through
Data after analyzing and processing are respectively transmitted to operator PLC120 and intelligence by running environment parameter application program module 121
Monitoring operation controller 11, and be transmitted to data information backup simultaneously and carry out storage management with recovery module 122.
2b) wind-resources difference module:Annual mean wind speed information module 1330, season are average in wind-resources information group module 133
Wind speed information module 1331, monthly average wind speed information module 1332, per day wind speed information module 1333, when mean wind speed information
Module 1334, wind turbulent flow information module 1335, wind shear information module 1336, tower shadow effect information module 1337, read respectively
Data information is backed up passes through wind-resources parameter application program module with 132 data of recovery module, data that treated by analysis
131, operator PLC130 and intelligent monitoring operation controller 11 are respectively transmitted to, and data transmit again by treated simultaneously
To data information backup storage management is carried out with recovery module 132.
2c) unit performance difference module:Wind turbine basic information module 1430, wind turbine in unit performance information group module 143
Tower information module 1431, fan engine room information module 1432, fan blade information module 1433, wind turbine transmission chain information module
1434th, blower variable-pitch mechanism information module 1435, wind turbine power generation machine information module 1437, fan converter information module 1437,
Data information backup is read respectively with 142 data of recovery module, and data that treated by analysis should by unit performance parameter
With program module 141, it is respectively transmitted to operator PLC140 and intelligent monitoring operation controller 11, and simultaneously will treated number
According to data information backup is conveyed once again to storage management is carried out with recovery module 142.
Step 3: running environment difference module 12, wind-resources difference module 13,14 output data of unit performance difference module
To intelligent monitoring run controller in running environment Parameter analysis module 110, wind-resources Parameter analysis module 111, unit
It can Parameter analysis module 112.
Step 4: running environment Parameter analysis module 110, wind-resources Parameter analysis module 111, unit performance Parameter analysis
Module 112 is using fuzzy algorithmic approach to the Data Analysis Services of input, and corresponding each output quantity is after being multiplied by a weighted factor
Intelligent controller 113 is input to, specific processing step is:
4a) running environment Parameter analysis module output quantity be wind speed information, it is wind direction information, altitude information, noise information, wet
Information, Wave Information, Ocean current information, Tidal Information are spent, corresponds to weighted factor a0, a1, a2, a3, a4, a5, a6, a7 respectively.
4b) wind-resources Parameter analysis module output quantity is annual mean wind speed information, season mean wind speed information, monthly average wind speed
Information, per day wind speed information, when mean wind speed information, wind turbulent flow information, wind shear information, tower shadow effect, it is corresponding respectively plus
Weight factor b0, b1, b2, b3, b4, b5, b6, b7.
4c) unit performance Parameter analysis module output quantity is wind turbine essential information, blower fan tower barrel information, fan engine room are believed
Breath, fan blade information, wind turbine transmission chain information, blower variable-pitch mechanism information, wind turbine power generation machine information, fan converter letter
Breath, corresponds to weighted factor c0, c1, c2, c3, c4, c5, c6, c7 respectively.
Step 5: intelligent controller 113, using after neural network adaptive algorithm analytic operation, output torque gives control
Signal T*, change propeller angle give speed-changing oar-changing controller 20 in control signal beta * to wind energy conversion system 1, and specific processing step is:
5a) the torque output signal T of torque reference control signal T* and double feedback electric engine 17 generates torque deviation letter more afterwards
Speed-changing oar-changing controller 20 number is input to, speed-changing oar-changing controller 20 controls the work of current transformer 19 to complete wind energy conversion system speed Control.
5b) change propeller angle gives control signal beta * and the variable pitch angular output signal β of wind wheel 15 generates change vane angle more afterwards
Degree deviation signal is input to speed-changing oar-changing controller 20, and the control work of blade pitch device 18 of speed-changing oar-changing controller is completed wind energy conversion system and become
Paddle controls.
5c) intelligent controller 113, which controls wind energy conversion system action and is connected simultaneously with optical fiber ring network 4, realizes data communication.
Step 6: the wind turbine real-time running data that intelligent monitoring operation controller 11 exports is successively through optical fiber ring network 4, optical fiber
After ring exchanger 5, the transmission of interchanger 6 exchange, database server 7, operator station 8 are input to, and it is defeated to pass through Internet9
Enter to remote monitoring center 10.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.